222320300040 has 192 divisors, whose sum is σ = 725213399040. Its totient is φ = 59066649600.

The previous prime is 222320300039. The next prime is 222320300051. The reversal of 222320300040 is 40003023222.

222320300040 is a `hidden beast` number, since 2 + 2 + 2 + 320 + 300 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222320299986 and 222320300022.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 193153465 + ... + 193154615.

It is an arithmetic number, because the mean of its divisors is an integer number (3777153120).

Almost surely, 2^222320300040 is an apocalyptic number.

222320300040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222320300040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362606699520).

222320300040 is an abundant number, since it is smaller than the sum of its proper divisors (502893099000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222320300040 is a wasteful number, since it uses less digits than its factorization.

222320300040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2684 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

Adding to 222320300040 its reverse (40003023222), we get a palindrome (262323323262).

The spelling of 222320300040 in words is "two hundred twenty-two billion, three hundred twenty million, three hundred thousand, forty".